Patents by Inventor Christopher Uhrlau

Christopher Uhrlau has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Chainsaw guide bar
    Patent number: D939305
    Type: Grant
    Filed: February 24, 2020
    Date of Patent: December 28, 2021
    Assignee: ANDREAS STIHL AG & CO. KG
    Inventor: Christopher Uhrlau
  • Chainsaw guide bar
    Patent number: D940522
    Type: Grant
    Filed: February 24, 2020
    Date of Patent: January 11, 2022
    Assignee: ANDREAS STIHL AG & CO. KG
    Inventor: Christopher Uhrlau